IA. Analysis of Solar Active Regions and Activity from 14/2100Z to 15/2100Z: Solar activity has been at low levels for the past 24 hours. Region 2321 (N14E23, Ekc/beta-gamma) produced the largest flare of the period, a C7/2n at 15/2023 UTC. There are currently 5 numbered sunspot regions on the disk.
IB. Solar Activity Forecast: Solar activity is expected to be low with a chance for M-class flares and a slight chance for an X-class flare on day one (16 Apr) and likely to be moderate with a slight chance for an X-class flare on days two and three (17 Apr, 18 Apr).
IIA. Geophysical Activity Summary 14/2100Z to 15/2100Z: The geomagnetic field has been at quiet to minor storm levels for the past 24 hours. Solar wind speed, as measured by the ACE spacecraft, reached a peak speed of 665 km/s at 15/1556Z. Total IMF reached 17 nT at 15/0503Z. The maximum southward component of Bz reached -12 nT at 15/0821Z.
IIB. Geophysical Activity Forecast: The geomagnetic field is expected to be at quiet to minor storm levels on day one (16 Apr) and quiet levels on days two and three (17 Apr, 18 Apr).